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1 // 1 //
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25 // 25 //
26 // 26 //
>> 27 // $Id: G4VTrackTerminator.hh,v 1.8 2007/06/01 07:53:26 ahoward Exp $
>> 28 // GEANT4 tag $Name: geant4-09-02 $
27 // 29 //
28 // ------------------------------------------- 30 // ----------------------------------------------------------------------
29 // Class G4VTrackTerminator 31 // Class G4VTrackTerminator
30 // 32 //
31 // Class description: 33 // Class description:
32 // 34 //
33 // This is an interface for an object which ca 35 // This is an interface for an object which can be called to kill a track.
34 // The type it provides is needed in case impo 36 // The type it provides is needed in case importance biasing and scoring
35 // is done at the same time. 37 // is done at the same time.
36 // For navigation in the parallel geometry whi 38 // For navigation in the parallel geometry which is done by the importance
37 // biasing process (it derives from G4Parallel 39 // biasing process (it derives from G4ParallelTransport), importance biasing
38 // has to be done before scoring (to score the 40 // has to be done before scoring (to score the correct volume).
39 // But since scoring would not be called if th 41 // But since scoring would not be called if the importance biasing kills a
40 // track, it only tells a G4VTrackTerminator t 42 // track, it only tells a G4VTrackTerminator to kill the track.
41 // The scoring process implements the interfac 43 // The scoring process implements the interface G4VTrackTerminator
42 // and is now able to kill the track after it 44 // and is now able to kill the track after it has performed the scoring.
43 45
44 // Author: Michael Dressel (Michael.Dressel@ce 46 // Author: Michael Dressel (Michael.Dressel@cern.ch)
45 // ------------------------------------------- 47 // ----------------------------------------------------------------------
46 #ifndef G4VTrackTerminator_hh 48 #ifndef G4VTrackTerminator_hh
47 #define G4VTrackTerminator_hh G4VTrackTerminat 49 #define G4VTrackTerminator_hh G4VTrackTerminator_hh
48 50
49 #include "G4Types.hh" 51 #include "G4Types.hh"
50 #include "G4String.hh" 52 #include "G4String.hh"
51 53
52 class G4VTrackTerminator 54 class G4VTrackTerminator
53 { 55 {
54 56
55 public: // with description 57 public: // with description
56 58
57 G4VTrackTerminator(); 59 G4VTrackTerminator();
58 virtual ~G4VTrackTerminator(); 60 virtual ~G4VTrackTerminator();
59 virtual void KillTrack() const = 0; 61 virtual void KillTrack() const = 0;
60 virtual const G4String &GetName() const = 0; 62 virtual const G4String &GetName() const = 0;
61 63
62 protected: 64 protected:
63 65
64 G4double kCarTolerance; 66 G4double kCarTolerance;
65 }; 67 };
66 68
67 #endif 69 #endif
68 70